There have been times when carmakers went all out with an engine but lost, often with catastrophic consequences. For instance, the EcoBoost was once touted as the future of Ford engines but now is ...

The launch of Hyundai's first Theta engine in the 2004 Sonata helped signify that the Korean automaker was moving beyond its 20th-century origins. Available in 2.0- and 2.4-liter displacements, the ...